23144420001 has 8 divisors (see below), whose sum is σ = 30874672000. Its totient is φ = 15421890672.

The previous prime is 23144419943. The next prime is 23144420003. The reversal of 23144420001 is 10002444132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23144420001 - 2⁹ = 23144419489 is a prime.

It is a super-4 number, since 4×23144420001⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23144420001.

It is not an unprimeable number, because it can be changed into a prime (23144420003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923670 + ... + 1935663.

It is an arithmetic number, because the mean of its divisors is an integer number (3859334000).

Almost surely, 2^23144420001 is an apocalyptic number.

It is an amenable number.

23144420001 is a deficient number, since it is larger than the sum of its proper divisors (7730251999).

23144420001 is a wasteful number, since it uses less digits than its factorization.

23144420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861335.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 23144420001 its reverse (10002444132), we get a palindrome (33146864133).

The spelling of 23144420001 in words is "twenty-three billion, one hundred forty-four million, four hundred twenty thousand, one".